Emulsions of water-in-oil type, with a high content of aqueous phase, their process of preparation and their uses
US7514496B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2004 |
| Grant date | Apr 7, 2009 |
| Priority date | — |
| Expiry date | May 28, 2024 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61Q17/04
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A composition and its method of production, wherein the composition includes both an oily external phase and a gelled aqueous phase, wherein the aqueous phase is 60 to 98% by weight of the total composition. Additional features of the composition include the aqueous phase containing a polyelectrolyte in which the ionic sites are combined with their counter-ions. The oily phase of the composition contains one or more oils and also an emulsifying system with a lipophilic nature. The composition may be utilized in the following applications: cosmetic, pharmaceutical, veterinary, or detergent preparations.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.